Complete Question
The complete question is shown on the first uploaded image
Answer:
The solution to this question is shown on the second uploaded image
Explanation:
4p, 3d, 3p, 3s, 2p, 2s and 1s orbitals may be occupied during de-excitation.<span />
I would say it would be a. It makes the most sense
Answer:
The periodic table is a tabular display of the chemical elements organized on the basis of their atomic numbers, electron configurations, and chemical properties. ... Elements with the same number of valence electrons are kept together in groups, such as the halogens and the noble gases.
